Research on generation and pumping coordinated control function of AC excitation variable speed pumped storage unit

For the problem of coordinated control of active power and speed in AC excitation variable speed pumped storage unit, the principle of variable speed pumped storage unit is analyzed, the coordinated control strategies, primary frequency regulation control strategies, and coordinated control modes for variable speed unit are proposed, and the coordinated control strategies and control modes are verified by the RTDS simulation test platform, finally, flexible control strategies suitable for different application scenarios are provided.